Chair



FIG. 1 is a front view of a chair showing my new design;

FIG. 2 is a back view thereof;

FIG. 3 is a left side view thereof, the right side view being a mirror image;

FIG. 4 is a top view thereof, the bottom part of which does not form part of the design; and,

FIG. 5 is a left side perspective view thereof. 

The ornamental design for a chair, as shown and described. 